--- a/svgui/svgui_server.py Fri Oct 01 15:36:09 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,166 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# This file is part of Beremiz, a Integrated Development Environment for
-# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
-#
-# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
-#
-# See COPYING file for copyrights details.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-
-from __future__ import absolute_import
-import os
-from builtins import str as text
-
-from nevow import tags, loaders
-import simplejson as json # pylint: disable=import-error
-import runtime.NevowServer as NS
-
-svgfile = '%(svgfile)s'
-
-svguiWidgets = {}
-
-currentId = 0
-
-
-def getNewId():
- global currentId
- currentId += 1
- return currentId
-
-
-class SvguiWidget(object):
-
- def __init__(self, classname, id, **kwargs):
- self.classname = classname
- self.id = id
- self.attrs = kwargs.copy()
- self.inputs = {}
- self.outputs = {}
- self.inhibit = False
- self.changed = False
-
- def setinput(self, attrname, value):
- self.inputs[attrname] = value
-
- def getinput(self, attrname, default=None):
- if attrname not in self.inputs:
- self.inputs[attrname] = default
- return self.inputs[attrname]
-
- def setoutput(self, attrname, value):
- if self.outputs.get(attrname) != value:
- self.outputs[attrname] = value
- self.changed = True
- self.RefreshInterface()
-
- def updateoutputs(self, **kwargs):
- for attrname, value in kwargs.iteritems():
- if self.outputs.get(attrname) != value:
- self.outputs[attrname] = value
- self.changed = True
- self.RefreshInterface()
-
- def RefreshInterface(self):
- interface = website.getHMI()
- if isinstance(interface, SVGUI_HMI) and self.changed and not self.inhibit:
- self.changed = False
- d = interface.sendData(self)
- if d is not None:
- self.inhibit = True
- d.addCallback(self.InterfaceRefreshed)
-
- def InterfaceRefreshed(self, result):
- self.inhibit = False
- if self.changed:
- self.RefreshInterface()
-
-
-def get_object_init_state(obj):
- # Convert objects to a dictionary of their representation
- attrs = obj.attrs.copy()
- attrs.update(obj.inputs)
- d = {
- '__class__': obj.classname,
- 'id': obj.id,
- 'kwargs': json.dumps(attrs),
- }
- return d
-
-
-def get_object_current_state(obj):
- # Convert objects to a dictionary of their representation
- d = {
- '__class__': obj.classname,
- 'id': obj.id,
- 'kwargs': json.dumps(obj.outputs),
- }
- return d
-
-
-class SVGUI_HMI(website.PLCHMI):
- jsClass = u"LiveSVGPage.LiveSVGWidget"
-
- docFactory = loaders.stan(tags.div(render=tags.directive('liveElement'))[
- tags.xml(loaders.xmlfile(os.path.join(NS.WorkingDir, svgfile))),
- ])
-
- def HMIinitialisation(self):
- gadgets = []
- for gadget in svguiWidgets.values():
- gadgets.append(text(json.dumps(gadget, default=get_object_init_state, indent=2), 'ascii'))
- d = self.callRemote('init', gadgets)
- d.addCallback(self.HMIinitialised)
-
- def sendData(self, data):
- if self.initialised:
- return self.callRemote('receiveData', text(json.dumps(data, default=get_object_current_state, indent=2), 'ascii'))
- return None
-
- def setattr(self, id, attrname, value):
- svguiWidgets[id].setinput(attrname, value)
-
-
-def createSVGUIControl(*args, **kwargs):
- id = getNewId()
- gad = SvguiWidget(args[0], id, **kwargs)
- svguiWidgets[id] = gad
- gadget = [text(json.dumps(gad, default=get_object_init_state, indent=2), 'ascii')]
- interface = website.getHMI()
- if isinstance(interface, SVGUI_HMI) and interface.initialised:
- interface.callRemote('init', gadget)
- return id
-
-
-def setAttr(id, attrname, value):
- gad = svguiWidgets.get(id, None)
- if gad is not None:
- gad.setoutput(attrname, value)
-
-
-def updateAttr(id, **kwargs):
- gad = svguiWidgets.get(id, None)
- if gad is not None:
- gad.updateoutput(**kwargs)
-
-
-def getAttr(id, attrname, default=None):
- gad = svguiWidgets.get(id, None)
- if gad is not None:
- return gad.getinput(attrname, default)
- return default